---
title: Ruby reckons "rust gives you tetanus, so rusty stuff is poison." Whi… — Olympiad: everyday chemistry detective… · tree and pragmatics
description: Ruby reckons "rust gives you tetanus, so rusty stuff is poison." Which answer puts her right? Test 3 · ★★★ of lesson 37 «Olympiad: everyday chemistry detectives ★★★» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's c
---

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# Test 3 · ★★★ · Olympiad: everyday chemistry detectives ★★★

<!-- .ven lang=en -->
Ruby reckons "rust gives you tetanus, so rusty stuff is poison." Which answer puts her right?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** Ruby, rust, rusty stuff, answer · **What happens:** reckon, give, be, put · **To what, where:** tetanus, you, poison, right

<!-- .vabout -->
This is test 3 · ★★★ of lesson 37 «Olympiad: everyday chemistry detectives ★★★» of the chemistry course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/chemistry/37-olympiad-everyday-chemistry-detectives/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* Ruby reckons "rust gives you tetanus, so rusty stuff is poison."

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:t3:1
# text = Ruby reckons "rust gives you tetanus, so rusty stuff is poison."
1	Ruby	Ruby	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	reckons	reckon	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	"	"	PUNCT	``	_	5	punct	_	SpaceAfter=No
4	rust	rust	NOUN	NN	Number=Sing	5	nsubj	_	_
5	gives	give	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
6	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	5	iobj	_	_
7	tetanus	tetanus	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
8	,	,	PUNCT	,	_	13	punct	_	_
9	so	so	ADV	RB	_	13	advmod	_	_
10	rusty	rusty	ADJ	JJ	Degree=Pos	11	amod	_	_
11	stuff	stuff	NOUN	NN	Number=Sing	13	nsubj	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
13	poison	poison	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	2	punct	_	SpaceAfter=No
15	"	"	PUNCT	''	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reckon** | present | Ruby |  |  |  |  |  | vn consider-29.9-1 «NP V how S»: agent=Agent |
| 2 | **give** *in a quote* | present | rust | tetanus | you |  |  |  | vn give-13.1-1 «NP V NP-Dative NP»: agent=Agent you=Recipient tetanus=Theme |
| 3 | **is a** *in a quote* | present | rusty stuff | poison |  |  |  |  | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- .note -->
*Sentence 2:* Which answer puts her right?

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:t3:2
# text = Which answer puts her right?
1	Which	which	DET	WDT	PronType=Int	2	det	_	_
2	answer	answer	NOUN	NN	Number=Sing	3	nsubj	_	_
3	puts	put	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	her	her	PRON	PRP$	Case=Gen|Gender=Fem|Number=Sing|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	right	right	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
6	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **put** | present | which answer | answer's right |  |  |  |  | vn invest-13.5.4-1 «NP V PP»: agent=Agent right=Goal |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
She's right; the rust itself is the germ

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:t3:o1:1
# text = She's right; the rust itself is the germ
1	She	she	PRON	PRP	Case=Nom|Gender=Fem|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	right	right	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	;	;	PUNCT	:	_	10	punct	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	rust	rust	NOUN	NN	Number=Sing	10	nsubj	_	_
7	itself	itself	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Emp|Reflex=Yes	6	nmod:unmarked	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	germ	germ	NOUN	NN	Number=Sing	3	parataxis	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | She |  |  |  |  | right *property* | tree rules |
| 2 | **is a** | present | the rust  rust | the germ |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Rust is safe; only shiny metal causes it

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:t3:o2:1
# text = Rust is safe; only shiny metal causes it
1	Rust	rust	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	safe	safe	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	;	;	PUNCT	,	_	8	punct	_	_
5	only	only	ADV	RB	_	6	advmod	_	_
6	shiny	shiny	ADJ	JJ	Degree=Pos	7	amod	_	_
7	metal	metal	NOUN	NN	Number=Sing	8	nsubj	_	_
8	causes	cause	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
9	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Rust |  |  |  |  | safe *property* | tree rules |
| 2 | **cause** | present | shiny metal | Rust |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition it=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Tetanus floats in the air of rusty sheds

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:t3:o3:1
# text = Tetanus floats in the air of rusty sheds
1	Tetanus	tetanus	NOUN	NN	Number=Sing	2	nsubj	_	_
2	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	air	air	NOUN	NN	Number=Sing	2	obl	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	rusty	rusty	ADJ	JJ	Degree=Pos	8	amod	_	_
8	sheds	shed	NOUN	NNS	Number=Plur	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | Tetanus |  |  | the air of rusty sheds |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme in air=Trajectory |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Tetanus is a germ in dirt; a deep cut from anything dirty can let it in

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:t3:o4:1
# text = Tetanus is a germ in dirt; a deep cut from anything dirty can let it in
1	Tetanus	tetanus	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	germ	germ	NOUN	NN	Number=Sing	15	nsubj	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	dirt	dirt	NOUN	NN	Number=Sing	4	nmod	_	SpaceAfter=No
7	;	;	PUNCT	,	_	10	punct	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
9	deep	deep	ADJ	JJ	Degree=Pos	10	amod	_	_
10	cut	cut	NOUN	NN	Number=Sing	4	appos	_	_
11	from	from	ADP	IN	_	12	case	_	_
12	anything	anything	PRON	NN	Number=Sing|PronType=Ind	10	nmod	_	_
13	dirty	dirty	ADJ	JJ	Degree=Pos	12	amod	_	_
14	can	can	AUX	MD	VerbForm=Fin	15	aux	_	_
15	let	let	VERB	VB	VerbForm=Inf	0	root	_	_
16	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	obj	_	_
17	in	in	ADP	RP	_	15	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Tetanus | a germ |  | dirt |  |  | tree rules |
| 2 | **let in** | can | a germ | Tetanus |  |  |  |  | vn give-13.1-1 «NP V NP»: agent=Agent it=Theme |

<!-- div src -->

**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

<!-- /div -->

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